King of the Ants. Poster of the 2003 movie and cover of the 1993 book
VS3
King of the Ants
Charlie Higson, 1993
movie vs book
Stuart Gordon, 2003

A young drifter stumbles upon his true purpose when hired by a mobster to track and eliminate a prominent accountant. However, when the ruthless thugs attempt to kill him instead of honoring their agreement, he resolves to seek revenge.